<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <div id="app">
    {{ msg }}
    {{ parseInt('1.345') }}
    <!-- {{ alert(1) }} -->
    {{ 1>2?'真的':'假的' }}
  </div>

  <script src="./vue.global.js"></script>
  <script>
    const msg2 = '哈哈哈'
    const { createApp } = Vue;
    const app = createApp({
      data(){
        return {
          msg: '你好vue'
        }
      },
      methods: {
        changeMsg(){
          this.msg = '修改的值';
        }
      }
    });
    app.mount('#app');
  </script>
</body>
</html>